# RegExp vs OmniClassify

The clearest difference is update cadence: OmniClassify at every 2 days against RegExp's every 6 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. RegExp sells 1 one-off in-app purchase and OmniClassify sells 3 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

RegExp ships an update every 6 months, OmniClassify every 2 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | RegExp | OmniClassify |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 10 MB | 131 MB |
| Requires iOS | 18.1 | **17** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Loshadki, LLC](https://appshunter.io/developer/1546140307) | [Martin Kropf](https://appshunter.io/developer/1555102184) |

## What reviewers say

### RegExp

[App page](https://appshunter.io/ios/app/regexp/id1546140065)

This tool allows developers to test and explore regular expression patterns across various programming language syntaxes. It offers advanced configuration options and synchronization across devices, making it ideal for learning and building complex patterns.

**Highlights:** Multiple regex engine support, Advanced Swift regex engine, Save and organize regex patterns, iCloud sync across devices, Supports Swift, Objective-C, ECMAScript, and Go regex flavors

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RegExp Pro | $2.99 | one-time |


### OmniClassify

[App page](https://appshunter.io/ios/app/omniclassify/id6747666857)

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access (1 week) | $3.99 | per 7 days |
| Full Access (1 month) | $9.99 | per month |
| Full Access (1 year) | $99.99 | per year |


## Frequently asked questions

### Is RegExp free?

RegExp is free to download, with in-app purchases available.

### Is OmniClassify free?

OmniClassify is free to download, with in-app purchases available.

### Do RegExp or OmniClassify have ads?

Neither RegExp nor OmniClassify shows ads.

### Which is updated more often, RegExp or OmniClassify?

RegExp ships an update every 6 months, and OmniClassify every 2 days. Most recently, RegExp was updated on November 3, 2026 and OmniClassify on October 30, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*